Unify ValueErrors string capitalizing

[pygost.git] / pygost / wrap.py

diff --git a/pygost/wrap.py b/pygost/wrap.py
index 301023eda18228d35ca1b00d2916afc30495e30a..2ef6f891f6330a02108d9513384abd13f6d47e4c 100644 (file)
--- a/pygost/wrap.py
+++ b/pygost/wrap.py
@@ -143,5 +143,5 @@ def kimp15(encrypter_key, encrypter_mac, bs, kexp, iv):
     key_and_key_mac = ctr(encrypter_key, bs, kexp, iv)
     key, key_mac = key_and_key_mac[:-bs], key_and_key_mac[-bs:]
     if not compare_digest(mac(encrypter_mac, bs, iv + key), key_mac):
-        raise ValueError("invalid authentication tag")
+        raise ValueError("Invalid authentication tag")
     return key